Asphalt is the residue left from making gasoline from crude oil. It is very thick and sticky, and when it is mixed with gravel it is a good substance for making roads out of. In some countries, asphalt is known as bitumen.
A belt is a piece of clothing you wear around your waist. Belts are usually made out of leather but can be made out of anything - cloth, beads, string or even shells. Belts are usually held shut by a buckle or a knot.
Felt is a fabric that predates weaving and knitting. Felt is made by rubbing wet fibres until they stick together in a thin, matted layer. Felt is often made from wool or hairs from an animal like a rabbit or beaver.
Melting is the process of something changing from a solid to a liquid. When ice melts it becomes water. When ice cream melts, it makes a mess. You can find lots of things around the house that can be melted in a frypan or saucepan, like butter, cheese and chocolate.
An animal's pelt is the skin and fur covering them. Animal pelts are often turned into fur coats. Pelt is also a word for throwing a lot of missiles at something in a short space of time. Another word for pelt is bombard.